215800650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 144

約数和(自身を含む): 641901624

約数和(自身を除く): 426100974

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 37, 39, 45, 50, 65, 74, 75, 78, 90, 111, 117, 130, 150, 185, 195, 222, 225, 234, 325, 333, 370, 390, 450, 481, 555, 585, 650, 666, 925, 962, 975, 997, 1110, 1170, 1443, 1665, 1850, 1950, 1994, 2405, 2775, 2886, 2925, 2991, 3330, 4329, 4810, 4985, 5550, 5850, 5982, 7215, 8325, 8658, 8973, 9970, 12025, 12961, 14430, 14955, 16650, 17946, 21645, 24050, 24925, 25922, 29910, 36075, 36889, 38883, 43290, 44865, 49850, 64805, 72150, 73778, 74775, 77766, 89730, 108225, 110667, 116649, 129610, 149550, 184445, 194415, 216450, 221334, 224325, 233298, 324025, 332001, 368890, 388830, 448650, 479557, 553335, 583245, 648050, 664002, 922225, 959114, 972075, 1106670, 1166490, 1438671, 1660005, 1844450, 1944150, 2397785, 2766675, 2877342, 2916225, 3320010, 4316013, 4795570, 5533350, 5832450, 7193355, 8300025, 8632026, 11988925, 14386710, 16600050, 21580065, 23977850, 35966775, 43160130, 71933550, 107900325, 215800650]

約数ペア:

[(1, 215800650), (2, 107900325), (3, 71933550), (5, 43160130), (6, 35966775), (9, 23977850), (10, 21580065), (13, 16600050), (15, 14386710), (18, 11988925), (25, 8632026), (26, 8300025), (30, 7193355), (37, 5832450), (39, 5533350), (45, 4795570), (50, 4316013), (65, 3320010), (74, 2916225), (75, 2877342), (78, 2766675), (90, 2397785), (111, 1944150), (117, 1844450), (130, 1660005), (150, 1438671), (185, 1166490), (195, 1106670), (222, 972075), (225, 959114), (234, 922225), (325, 664002), (333, 648050), (370, 583245), (390, 553335), (450, 479557), (481, 448650), (555, 388830), (585, 368890), (650, 332001), (666, 324025), (925, 233298), (962, 224325), (975, 221334), (997, 216450), (1110, 194415), (1170, 184445), (1443, 149550), (1665, 129610), (1850, 116649), (1950, 110667), (1994, 108225), (2405, 89730), (2775, 77766), (2886, 74775), (2925, 73778), (2991, 72150), (3330, 64805), (4329, 49850), (4810, 44865), (4985, 43290), (5550, 38883), (5850, 36889), (5982, 36075), (7215, 29910), (8325, 25922), (8658, 24925), (8973, 24050), (9970, 21645), (12025, 17946), (12961, 16650), (14430, 14955)]